InterfaceMismatch.ice:16: class `Foo1' was declared as interface
InterfaceMismatch.ice:17: class `Foo1' was declared as interface
InterfaceMismatch.ice:20: class `Foo2' was defined as interface
InterfaceMismatch.ice:23: interface `Foo3' was declared as class
InterfaceMismatch.ice:24: interface `Foo3' was declared as class
InterfaceMismatch.ice:27: interface `Foo4' was defined as class